The system administrator mainly takes care of the servers of companies, associations or even administrations. It is also responsible for the installation, configuration, updates, backups and server support. However, its mission does not stop simply with the fact of installing and resolving problems of installed servers, since it must also demonstrate expertise to its various customers and collaborators by proposing solutions adapted to their problems. of servers.
The systems administrator must have know-how in various fields of IT in order to: master the various existing operating systems, know the network and database aspects, know how to meet security standards and constraints, implement place network performance monitoring, assist users in the event of breakdowns and difficulties, anticipate and resolve breakdowns, define the needs for network changes and finally, be aware of the various technological developments.
The average salary of a system administrator depends mainly on their level of experience. At the start of the rear, it is 30 to 45K € per year. After a few years of experience, it can easily reach 60K € per year. It is also possible to pass certifications (Microsoft Certified Systems Administrator, Linux Professional Institute) in order to obtain added value and thus, greater remuneration at the start of a career.
Make no mistake, the system administrator is not a developer. However, it is important for him to have various knowledge in programming language especially those concerning scripts and automation (example: Python). He must also be knowledgeable about computer security because he will have to protect servers from intrusion attempts for companies concerned with securing their sensitive data.
The system administrator can see his position evolve into that of IT department manager or even become an IT engineer through appropriate training. He can also just go as a self-employed entrepreneur or a consultant.
Admission to the engineering cycle (duration: three years) is by competitive examination after preparation (MPSI or PCSI) or by qualification (L2 / L3, BTS or DUT in science or technology). It is thus possible to follow the initial or continuing training course.